<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>task4</title>
    <link href="task4.css" rel="stylesheet"/>
</head>
<body>
<div class="box_vertical">
    <div class="box" id="box">
        <div class="circle circle1"></div>
        <div class="circle circle2"></div>
    </div>
</div>
</body>
</html>